Bicycle handlebar



FIG. 1 is a front elevational view of a bicycle handlebar showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a perspective view thereof, the brake actuator handles shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a bicycle handlebar, as shown and described. 